A modern reef aquarium with its equipment and sump

Live app

Build the aquarium twin

Model containers, equipment, plumbing, power, data topology, and effective volume so every other capability has the right context.

What you can do

Systems

  • Containers, nesting, display/sump/refugium/compartment modelling, and effective-volume calculation.
  • Catalog equipment or user-defined products, including multi-component products.
  • Plumbing, power, and data topology through equipment interfaces.
  • Marine, freshwater, and brackish support with water-type-aware filtering.

Best for

Free

Aquarists who want one reliable record of the aquarium before layering on tests, livestock, AI, or future automation.

Typical workflows

  • Map display tanks, sumps, refugiums, compartments, and effective water volume.
  • Record pumps, lights, heaters, controllers, consumables, and custom equipment.
  • Connect plumbing, power, and data relationships so the model reflects the real setup.

What you get

  • A single source of truth for every other MyCeto app.
  • Cleaner context for troubleshooting, advice, and future device integrations.

Where it sits in the twin

Free

Systems is the foundation of the twin. It gives every other app the aquarium structure, equipment context, topology, water type, and effective volume it needs.

The free tier includes 1 active aquarium system, with inactive systems retained when limits change.

System model

Containers Display, sump, refugium, compartments
Effective volume Calculated from displacement
Topology Plumbing, power, and data interfaces
Water type Marine, freshwater, brackish

Start free

Build your aquarium twin with no credit card required